U_ho=(data(:,7)+data(:,15)+data(:,23))/3;
I_ho=(data(:,8)+data(:,16)+data(:,24))/3;
kersten_blind=[U_ho,I_ho];
[~,s_idx]=sort(kersten_blind(:,1),'ascend'); %#ok<*ST2NM,*NODEF>
kersten_blind=kersten_blind(s_idx,:)